#218D13

Closest named color: Emerald Green (#028F1E). oklch(56.2% 0.179 141.7), rgb(33, 141, 19).

Aa

Black text reads best on this color (4.88:1).

About this color

#218D13 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.179 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.009 away. Black text reads best on it, at 4.88:1.

Hue familyGreens
Lightnessmedium-dark (56%)
Chromavivid (0.179)
Temperaturein between
Nearest nameEmerald Green (#028F1E)
Black text4.88:1
White text4.29:1

Values

HEX#218D13
RGBrgb(33, 141, 19)
HSLhsl(113, 76%, 31%)
OKLCHoklch(56.2% 0.179 141.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #218D13 4.29:1 AA large text Lc -74.7 Content text, not long reading
Black text on #218D13 4.88:1 AA Lc 34.9 Non-text elements, placeholder text
#218D13 text on white 4.29:1 AA large text Lc 69.2 Content text, not long reading
#218D13 text on black 4.88:1 AA Lc -32.5 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #F2F7F1

    oklch(97.1% 0.01 140.5)

  2. Step 100

    100

    #E2EEE0

    oklch(93.6% 0.023 141.2)

  3. Step 200

    200

    #C9E1C6

    oklch(88.5% 0.045 142.1)

  4. Step 300

    300

    #A4CE9E

    oklch(80.9% 0.08 141.5)

  5. Step 400

    400

    #70B568

    oklch(70.8% 0.129 141.8)

  6. Step 500

    500

    #45A13B

    oklch(63.1% 0.165 141.7)

  7. Step 600

    600 (this color)

    #218D13

    oklch(56.2% 0.179 141.7)

  8. Step 700

    700

    #107600

    oklch(49.2% 0.164 141.6)

  9. Step 800

    800

    #116007

    oklch(42.7% 0.137 141.7)

  10. Step 900

    900

    #184F12

    oklch(37.7% 0.108 141.7)

  11. Step 950

    950

    #102E0D

    oklch(26.9% 0.067 141.9)

Export this scale for Tailwind in the Tailwind colors tool

#218D13 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#917F000.125
Deuteranopia (no green cones)#8577240.124
Tritanopia (no blue cones)#0088780.119
Achromatopsia (no color)#7A7A7A0.179

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #218D13

    #218D13

    oklch(56.2% 0.179 141.7)

  • #A349B2

    #A349B2

    oklch(56.3% 0.178 321.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #218D13

    #218D13

    oklch(56.2% 0.179 141.7)

  • #787B00

    #787B00

    oklch(56.2% 0.124 111.5)

  • #00896D

    #00896D

    oklch(56.1% 0.109 171.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #218D13

    #218D13

    oklch(56.2% 0.179 141.7)

  • #7A5AD3

    #7A5AD3

    oklch(56.2% 0.178 291.8)

  • #BE3B81

    #BE3B81

    oklch(56.3% 0.18 351.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #218D13

    #218D13

    oklch(56.2% 0.179 141.7)

  • #356EDC

    #356EDC

    oklch(56.1% 0.179 261.9)

  • #C93A43

    #C93A43

    oklch(56.3% 0.179 21.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #218D13

    #218D13

    oklch(56.2% 0.179 141.7)

  • #0080AC

    #0080AC

    oklch(56.3% 0.114 231.4)

  • #A349B2

    #A349B2

    oklch(56.3% 0.178 321.7)

  • #B55700

    #B55700

    oklch(56.3% 0.145 51.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #218D13, closest first.

No curated palette has a color within ΔE 0.04 of #218D13.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #218D13 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.